/** * Return the appropriate DUMMY_HEADER for the minor version */ @VisibleForTesting // TODO: Why is this in here? byte[] getDummyHeaderForVersion() { return getDummyHeaderForVersion(this.fileContext.isUseHBaseChecksum()); }
private void testHeaderSizeInCacheWithoutChecksumInternals(boolean useTags) throws IOException { int headerSize = HConstants.HFILEBLOCK_HEADER_SIZE_NO_CHECKSUM; // Create some KVs and create the block with old-style header. List<KeyValue> kvs = generator.generateTestKeyValues(60, useTags); ByteBuffer keyValues = RedundantKVGenerator.convertKvToByteBuffer(kvs, includesMemstoreTS); int size = keyValues.limit(); ByteBuffer buf = ByteBuffer.allocate(size + headerSize); buf.position(headerSize); keyValues.rewind(); buf.put(keyValues); HFileContext hfileContext = new HFileContextBuilder().withHBaseCheckSum(false) .withIncludesMvcc(includesMemstoreTS) .withIncludesTags(useTags) .withBlockSize(0) .withChecksumType(ChecksumType.NULL) .build(); HFileBlock block = new HFileBlock(BlockType.DATA, size, size, -1, buf, HFileBlock.FILL_HEADER, 0, 0, -1, hfileContext); HFileBlock cacheBlock = createBlockOnDisk(kvs, block, useTags); assertEquals(headerSize, cacheBlock.getDummyHeaderForVersion().length); }
private HFileBlock createBlockOnDisk(List<KeyValue> kvs, HFileBlock block, boolean useTags) throws IOException { int size; HFileBlockEncodingContext context = new HFileBlockDefaultEncodingContext( blockEncoder.getDataBlockEncoding(), HConstants.HFILEBLOCK_DUMMY_HEADER, block.getHFileContext()); ByteArrayOutputStream baos = new ByteArrayOutputStream(); baos.write(block.getDummyHeaderForVersion()); DataOutputStream dos = new DataOutputStream(baos); blockEncoder.startBlockEncoding(context, dos); for (KeyValue kv : kvs) { blockEncoder.encode(kv, context, dos); } blockEncoder.endBlockEncoding(context, dos, baos.getBuffer(), BlockType.DATA); byte[] encodedBytes = baos.toByteArray(); size = encodedBytes.length - block.getDummyHeaderForVersion().length; return new HFileBlock(context.getBlockType(), size, size, -1, ByteBuffer.wrap(encodedBytes), HFileBlock.FILL_HEADER, 0, block.getOnDiskDataSizeWithHeader(), -1, block.getHFileContext()); }
/** * Return the appropriate DUMMY_HEADER_WITH_CHECKSUM for the minor version */ public byte[] getDummyHeaderForVersion() { return getDummyHeaderForVersion(minorVersion); }
/** * Return the appropriate DUMMY_HEADER for the minor version */ public byte[] getDummyHeaderForVersion() { return getDummyHeaderForVersion(this.fileContext.isUseHBaseChecksum()); }
private HFileBlock encodeDataBlock(HFileBlock block, DataBlockEncoding algo, boolean includesMemstoreTS) { ByteBuffer compressedBuffer = encodeBufferToHFileBlockBuffer( block.getBufferWithoutHeader(), algo, includesMemstoreTS, block.getDummyHeaderForVersion()); int sizeWithoutHeader = compressedBuffer.limit() - block.headerSize(); HFileBlock encodedBlock = new HFileBlock(BlockType.ENCODED_DATA, block.getOnDiskSizeWithoutHeader(), sizeWithoutHeader, block.getPrevBlockOffset(), compressedBuffer, HFileBlock.FILL_HEADER, block.getOffset(), includesMemstoreTS, block.getMinorVersion(), block.getBytesPerChecksum(), block.getChecksumType(), block.getOnDiskDataSizeWithHeader()); block.passSchemaMetricsTo(encodedBlock); return encodedBlock; }
private void testHeaderSizeInCacheWithoutChecksumInternals(boolean useTags) throws IOException { int headerSize = HConstants.HFILEBLOCK_HEADER_SIZE_NO_CHECKSUM; // Create some KVs and create the block with old-style header. List<KeyValue> kvs = generator.generateTestKeyValues(60, useTags); ByteBuffer keyValues = RedundantKVGenerator.convertKvToByteBuffer(kvs, includesMemstoreTS); int size = keyValues.limit(); ByteBuffer buf = ByteBuffer.allocate(size + headerSize); buf.position(headerSize); keyValues.rewind(); buf.put(keyValues); HFileContext hfileContext = new HFileContextBuilder().withHBaseCheckSum(false) .withIncludesMvcc(includesMemstoreTS) .withIncludesTags(useTags) .withBlockSize(0) .withChecksumType(ChecksumType.NULL) .build(); HFileBlock block = new HFileBlock(BlockType.DATA, size, size, -1, buf, HFileBlock.FILL_HEADER, 0, 0, -1, hfileContext); HFileBlock cacheBlock = createBlockOnDisk(kvs, block, useTags); assertEquals(headerSize, cacheBlock.getDummyHeaderForVersion().length); }
private HFileBlock createBlockOnDisk(List<KeyValue> kvs, HFileBlock block, boolean useTags) throws IOException { int size; HFileBlockEncodingContext context = new HFileBlockDefaultEncodingContext( blockEncoder.getDataBlockEncoding(), HConstants.HFILEBLOCK_DUMMY_HEADER, block.getHFileContext()); ByteArrayOutputStream baos = new ByteArrayOutputStream(); baos.write(block.getDummyHeaderForVersion()); DataOutputStream dos = new DataOutputStream(baos); blockEncoder.startBlockEncoding(context, dos); for (KeyValue kv : kvs) { blockEncoder.encode(kv, context, dos); } blockEncoder.endBlockEncoding(context, dos, baos.getBuffer(), BlockType.DATA); byte[] encodedBytes = baos.toByteArray(); size = encodedBytes.length - block.getDummyHeaderForVersion().length; return new HFileBlock(context.getBlockType(), size, size, -1, ByteBuffer.wrap(encodedBytes), HFileBlock.FILL_HEADER, 0, block.getOnDiskDataSizeWithHeader(), -1, block.getHFileContext()); }